Home / 42,587.22-63,888.54-17,613.70

Finding the Fourth Proportional to 42,587.22, 63,888.54 and 17,613.70

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Solution

The fourth proportional to 42,587.22, 63,888.54 and 17,613.70 is: 26,423.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,587.22 : 63,888.54 = 17,613.70 : x
  2. Step 2: Convert to fraction form
    42,587.22/63,888.54 = 17,613.70/x
  3. Step 3: Cross multiply
    42,587.22x = 63,888.54 × 17,613.70
  4. Step 4: Simplify right side
    42,587.22x = 1,125,313,577.00
  5. Step 5: Solve for x
    x = 1,125,313,577.00/42,587.22
  6. Step 6: Final answer
    x = 26,423.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.